3 实用的平方根表立方根表平方表立方表平方根立方根12=1 13=1 √1=1 √1 = 1 22=4 23=8 √2=1
414 √2 = 1
260 32=9 33=27 √3=1
732 √3 = 1
442 42=16 43=64 √4=2 √4 = 1
587 52=25 53=125 √5=2
236 √5 = 1
710 62=36 63=216 √6=2
449 √6 = 1
817 72=49 73=343 √7=2
646 √7 = 1
913 82=64 83=512 √8=2
828 √8 = 2 92=81 93=729 √9=3 √9 = 2
080 102=100 103=1000 √10=3
162 √10 = 2
154 112=121 113=1331 √11 = 3
317 √11 = 2
224 122=144 123=1728 √12 = 3
464 √12 = 2
289 132=169 133=2197 √13 = 3
606 √13 = 2
351 142=196 143=2744 √14 = 3
742 √14 = 2
410 152=225 153=3375 √15 = 3
873 √15 = 2
466 162=256 163=4096 √16 = 4 √16 = 2
520 172=289 173=4913 √17 = 4
123 √17 = 2
571 182=324 183=5832 √18 = 4
243 √18 = 2
621 192=361 193=6859 √19 = 4
359 √19 = 2
668 202=400 203=8000 √20 = 4
472 √20 = 2
714 √0 = 0 (表示根号 0 等于 0,下平方根表立方根表√1 = 1 √2 = 1
414 √3 = 1
732 √4 =